>> On 13:28 23 Feb 2002, Rupendra Singh <[EMAIL PROTECTED]> wrote: |
thanks that solved the problem
>> | permissions were:
>> |     -rwx------    1 root     root        46224 Aug 28 13:16
>>
>> Good.
>>
>> | but how did it happen i never entered the /lib dirctory as
>> root
>>
>> A mystery. But this is what you must find out so that you can
>> prevent it happening again.
>>
>> | bye the way i am running squirrelmail as webmail and i have
>> observed | that some of my squirrelmail users became owners of
>> some randomly | choosen files in /bin and /usr/bin. i cannot
>> doubt these users and | they do not have shell access.
>>
>> I would guess some bug or hole in the webmail side of things.
>> Such an app often runs with root privileges for at least part of
its operation
>
>> (in order to become whichever user is access the
>> email)
>> and as such has the power to do arbitrary things anywhere on the
system by accident if badly coded.
>>
>> Which files were getting changed?
>
> ls
> df
> free
> netstat
> ifconfig

Mike Pelley wrote:

> Boy.  I'm willing to be that there might be some hacking going
> around...
>
> Mike
>

permissions on these files were 700 but the users(2 of them) owning
these files could not be doubted (but i dont want to take chances).

but now i am begenning to doubt because:

"logwatch" mails to root are empty with only starting and ending
lines.

secure log is empty:

-rw-------   1 root     root            0 Feb 24 04:02 maillog
-rw-------   1 root     root         1046 Feb 19 04:46 maillog.1
-rw-------   1 root     root         2515 Feb 16 18:56 maillog.2
-rw-------   1 root     root            0 Feb 24 04:02 secure
-rw-------   1 root     root        75603 Feb 19 13:30 secure.1
-rw-------   1 root     root       185674 Feb 16 19:59 secure.2

"tail secure.1"
"tail maillog.1"
shows last access took place on 19 of Feb. is it just log-rotation.
or i should start taking backups. am i being hacked really.






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